The Protistor® 17×27 aR fuse-link provides reliable and efficient protection for semiconductor devices, rated for 250V AC and 25A, certified to UL and British Standards.
£13.38
The Mersen R076651 is a manufacturer-specific industrial electrical protection component intended for use within compatible power distribution, control and automation equipment. Manufactured by Mersen, a recognised specialist in electrical safety and circuit protection, it is suitable for professional maintenance, repair and replacement applications where precise part identification is required.
Using the correct replacement component is essential for maintaining the intended electrical protection, mechanical fit and operational reliability of industrial equipment. The R076651 provides engineers, panel builders and maintenance teams with a clearly identifiable Mersen component for servicing compatible electrical assemblies and machinery.
Before ordering or installing the Mersen R076651, the component's current and voltage ratings, utilisation category, dimensions, terminal arrangement and mounting format should be confirmed against the original product label, equipment drawings or official manufacturer documentation.
Correctly specified electrical protection components help maintain equipment availability and support the safe operation of industrial electrical installations. Selecting the appropriate manufacturer reference also helps preserve the system's intended electrical coordination, terminal compatibility and mechanical mounting arrangement.
Components that appear physically similar may have different electrical characteristics or installation requirements. The full part number, voltage rating, current rating, protection category, dimensions and connection format should therefore be verified before a replacement is installed.
| Item number | R076651 |
|---|---|
| Catalogue No | BS17US25V25 |
| Description | British Standard fuse-link Protistor® 17x27 aR 250V AC UL 25A |
| EAN/UPC Code | 3605340019513 |
| Rated voltage AC UL | 250 V |
| Rated voltage DC UL | 300 V |
| Rated voltage AC IEC | 250 V |
| Ampere Rating | 25 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 17x27 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 160 A²s |
| Melting I2t | 30 A²s |
| Connection/Terminal Material | Copper |
| Connection/Terminal Type | L Brackets |
| Product Diameter | 18.5 mm |
| Product Length | 54.4 mm |
| Sell Pack Quantity | 10 EA |
| Sell Pack Weight | 0.276 kg |
| Sell Pack Width | 68 mm |
| Sell Pack Length | 188 mm |
| Sell Pack Height | 24 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.0276 kg |
| Power Dissipation at Rated Current Value | 4.8 W |
| HS Code | 85361050 |
| Country of Manufacture | India |
The Mersen R076651 is a manufacturer-specific electrical protection component intended for use in compatible industrial power distribution, control or automation equipment.
Yes, R076651 is the manufacturer reference used to identify this Mersen electrical component.
It may be used as a replacement where the equipment documentation specifies Mersen R076651 and confirms that its electrical ratings, dimensions and connection arrangement are compatible.
Check the complete part number, voltage and current ratings, utilisation category, dimensions, terminal configuration and mounting format against the original component or official documentation.
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
Mersen electrical protection products are used by engineers, panel builders, equipment manufacturers and maintenance teams to support dependable operation across demanding industrial electrical applications.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...